1. Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini, Pieve Emanuele, Milan, Italy
2. IRCCS Humanitas Research Hospital -, via Manzoni, Division of colon and Rectal Surgery, Rozzano, Milan, Italy
3. Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy
4. Gastrounit, medical division, Hvidovre Hospital, University of Copenhagen, Denmark
5. Copenhagen Center for Inflammatory Bowel Disease in Children, Adolescents and Adults, Hvidovre Hospital, University of Copenhagen, Denmark
6. Department of Gastroenterology, Lüneburg Hospital, University of Hamburg, Lüneburg, Germany
7. Department of Surgery, Clinic of Visceral and Thoracic Surgery, Cantonal Hospital Winterthur, Zurich, Switzerland
8. Department of Biomedical Engineering, Clinical Research and Artificial Intelligence in Surgery, Faculty of Medicine, University of Basel, Allschwil, Switzerland
9. Department of Gastroenterology, Fakeeh University Hospital, Dubai, UAE
10. Department of Internal Medicine I, Siloah St. Trudpert Hospital, Pforzheim, Germany, Hannover Medical School, Hannover, Germany
11. University Hospital Munster, Department of Medicine B - Gastroenterology and Hepatology, Munster, Germany
12. Gastroenterology Unit, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-IP), Universidad Autónoma de Madrid (UAM), Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Madrid, Spain
13. King's College London, Florence Nightingale Faculty of Nursing, Midwifery and Palliative Care, London, UK
14. Department of Gastroenterology, Dietetics and Internal Medicine - Poznań University of Medical Sciences, Poznań, Poland; Heliodor ?wi?cicki University Hospital, Poznań, Poland
15. Department of Medicine, Division of Gastroenterology, Mater Dei Hospital, Msida, Malta
16. Gastroenterology Division, Hospital Beatriz Ângelo, Loures, Portugal
17. Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy; IBD Center, Humanitas Clinical and Research Center, Milan, Italy
18. IBD Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna DIMEC, University of Bologna, Bologna, Italy
19. Department of Gastroenterology, Barts Health NHS Trust, Royal London Hospital, London, United Kingdom
20. Karolinska Institutet, Department of Medicine Solna, Stockholm, Sweden; Karolinska University Hospital, Gastroenterology unit, Department of Gastroenterology, Dermatovenereology and Rheumatology, Stockholm, Sweden
21. Department of Colon & Rectal Surgery, Cleveland Clinic, Cleveland, Ohio, USA
22. Institute of Immunology and Immunotherapy, NIHR Biomedical Research Centre, University of Birmingham, UK
23. Division of Gastroenterology, University Hospitals Birmingham NHS Trust, UK
24. Department of Gastroenterology, Venizeleio General Hospital, Heraklion, Greece
25. Department of Gastroenterology and Hepatology, Division of Internal Medicine, University and Medical School of Ioannina, Ioannina, Greece
26. Department of Gastroenterology, Tel-HaShomer Sheba Medical Center, Ramat Gan, and Sackler Medical School, Tel Aviv, Israel
27. Division of Gastroenterology, McGill University Health Centre, Montreal, Canada
28. 1st Department of Medicine, Semmelweis University, Budapest, Hungary
29. School of Medicine, European University Cyprus, Nicosia, Cyprus
30. Department of Gastroenterology, University Hospital 'Tsaritsa Yoanna - ISUL', Medical University Sofia, Sofia, Bulgaria
31. Department of Gastroenterology, Addenbrooke's Hospital, Cambridge University Hospitals NHS Trust, Cambridge, United Kingdom
32. Department of Advanced Medical and Surgical Sciences, Universitá degli Studi della Campania "Luigi Vanvitelli", Naples; Colorectal Surgery, Vall d'Hebron University Hospital, Barcelona, Spain
33. IRCCS Humanitas Research Hospital, Rozzano, Milan, Italy
34. Department of Surgery, Oncology and Gastroenterology, University of Padova, Padova, Italy
35. Department of Advanced Medical and Surgical Sciences, Universitá degli Studi della Campania "Luigi Vanvitelli", Naples, Italy
36. Department of Gastroenterology and Hepatology, University Hospitals Leuven, KU Leuven, Leuven, Belgium
37. Department of Chronic Diseases, Metabolism and Ageing, TARGID - IBD, KU Leuven, Leuven, Belgium
38. Department of Gastroenterology and Centre for Colorectal Disease, St Vincent's University Hospital, Dublin, Ireland
39. Department of Gastroenterology, Addenbrooke's Hospital, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
40. Department of Colorectal Surgery, Beaujon Hospital, Assistance Publique-Hôpitaux de Paris, Clichy and Université of Paris, France